ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Feb 26 18:38:33 2020 +0100| [23645f95ec0ae3f4ccc8ad2b23d1fbb16575ae16] | committer: Michael Niedermayer
avformat/mp3dec: Count last partial frame in probe. Fixes: regression Fixes: Ticket8511 Reviewed-by: Anton Khirnov <an...@khirnov.net> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=23645f95ec0ae3f4ccc8ad2b23d1fbb16575ae16 --- libavformat/mp3dec.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c index 71a4ed706d..b044679c02 100644 --- a/libavformat/mp3dec.c +++ b/libavformat/mp3dec.c @@ -87,20 +87,26 @@ static int mp3_read_probe(const AVProbeData *p) for (framesizes = frames = 0; buf2 < end; frames++) { MPADecodeHeader h; int header_emu = 0; + int available; header = AV_RB32(buf2); ret = avpriv_mpegaudio_decode_header(&h, header); - if (ret != 0 || end - buf2 < h.frame_size) + if (ret != 0) break; - for (buf3 = buf2 + 4; buf3 < buf2 + h.frame_size; buf3++) { + available = FFMIN(h.frame_size, end - buf2); + for (buf3 = buf2 + 4; buf3 < buf2 + available; buf3++) { uint32_t next_sync = AV_RB32(buf3); header_emu += (next_sync & MP3_MASK) == (header & MP3_MASK); } if (header_emu > 2) break; - buf2 += h.frame_size; framesizes += h.frame_size; + if (available < h.frame_size) { + frames++; + break; + } + buf2 += h.frame_size; } max_frames = FFMAX(max_frames, frames); max_framesizes = FFMAX(max_framesizes, framesizes); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
